21621245120
21,621,245,120 is an even composite number composed of five prime numbers multiplied together.
21621245120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 21621245120:
26 × 5 × 31 × 732 × 409
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 73 × 73 × 409)See below for interesting mathematical facts about the number 21621245120 from the Numbermatics database.
Names of 21621245120
- Cardinal: 21621245120 can be written as Twenty-one billion, six hundred twenty-one million, two hundred forty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.162124512 × 1010
Factors of 21621245120
Divisors of 21621245120
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 62 64 73 80 124 146 155 160 248 292 310 320 365 409 496 584 620 730 818 992 1168 1240 1460 1636 1984 2045 2263 2336 2480 2920 3272 4090 4526 4672 4960 5329 5840 6544 8180 9052 9920 10658 11315 11680 12679 13088 16360 18104 21316 22630 23360 25358 26176 26645 29857 32720 36208 42632 45260 50716 53290 59714 63395 65440 72416 85264 90520 101432 106580 119428 126790 130880 144832 149285 165199 170528 181040 202864 213160 238856 253580 298570 330398 341056 362080 405728 426320 477712 507160 597140 660796 724160 811456 825995 852640 925567 955424 1014320 1194280 1321592 1651990 1705280 1851134 1910848 2028640 2179561 2388560 2643184 3303980 3702268 4057280 4359122 4627835 4777120 5286368 6607960 7404536 8718244 9255670 9554240 10572736 10897805 13215920 14809072 17436488 18511340 21795610 26431840 29618144 34872976 37022680 43591220 52863680 59236288 67566391 69745952 74045360 87182440 135132782 139491904 148090720 174364880 270265564 296181440 337831955 348729760 540531128 675663910 697459520 1081062256 1351327820 2162124512 2702655640 4324249024 5405311280 10810622560 21621245120
- Sum of all divisors σ(n): 54016168320
- Sum of proper divisors (its aliquot sum) s(n): 32394923200
- 21621245120 is an abundant number, because the sum of its proper divisors (32394923200) is greater than itself. Its abundance is 10773678080
Bases of 21621245120
- Binary: 101000010001011101000000100110000002
- Hexadecimal: 0x508BA04C0
- Base-36: 9XKQBI8
Squares and roots of 21621245120
- 21621245120 squared (216212451202) is 467478240539123814400
- 21621245120 cubed (216212451203) is 10107461626962716941171785728000
-
The
square root of 21621245120 is 147041.6441692625 -
The
cube root of 21621245120 is 2785.8660668259
Scales and comparisons
How big is 21621245120?- 21,621,245,120 seconds is equal to 687 years, 25 weeks, 2 days, 21 hours, 25 minutes, 20 seconds.
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To count from 1 to 21,621,245,120 would take you about one thousand, three hundred seventy-four years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21621245120 cubic inches would be around 232.2 feet tall.
Recreational maths with 21621245120
- 21621245120 backwards is 02154212612
- The number of decimal digits it has is: 11
- The sum of 21621245120's digits is 26
- More coming soon!
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The information we have on file for 21621245120 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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